From: Benjamin Herrenschmidt <[email protected]>
Date: Wed, 21 Dec 2005 08:18:40 +1100
>
> > Turns out that if I remove the netconsole=... option to my kernel, all
> > works fine and the system no longer hangs. Obviously not plugging in a
> > network cable is pretty useless when netconsole is turned on, but I
> > think it should not hang the system completely. So far I haven't been
> > able to figure out where it actually hangs and don't even know how to do
> > so -- I'm open for suggestions on how to find out why/where it hangs or
> > even fixes.
>
> Hrm... I've heard various reports about problems with netconsole... I've
> never tried it myself so far though. One thing I remember to beware of
> is if sungem does a printk while holding its lock...
I bet that's it, doing a printk while already in the netconsole
printk output path.
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